The lack of menstrual blood flow may be due to cold stimulation or inflammation that affects the discharge of menstrual blood, and may be caused by cervical adhesion, uterine cavity adhesion and other reasons for the lack of menstrual blood flow. You can consider taking medicines such as motherwort granules and new biochemical granules for treatment, which have the effect of activating blood circulation, resolving blood stasis and promoting discharge, and are also effective in treating poor menstrual blood discharge due to cold, irritation or inflammatory diseases, and you should pay attention to appropriate physical activity to promote the discharge of blood stasis. However, for the cervical adhesion or uterine cavity adhesion caused by the menstrual blood discharge is not a definite treatment effect simply taking drugs, need to be surgical treatment with the use of blood circulation, eliminate blood stasis drugs to promote the discharge of blood stasis.